A geologist needs to measure the density

of an irregularly shaped pebble.

a Describe how she can find its volume by the method of displacement.

b What other measurement must she make if she is to find its density?

The percentage of water vapor in the air compared to the maximum amount of water vapor that air can contain at a particular temperature.

What factors created a climate favorable to reform in the early nineteenth century america?

In the cabin of a plane cruising at 600km/hr, a pillow drops from the overhead bin onto your lap. Why does it not slam into the rear of the compartment? What is it's horizontal speed relative to the ground? Relative to you inside the jetlinder?

I have homework due tomorrow. : / Tim walks 3 meters east, then goes five meters south, then goes 3 meters west. (Don't forget to include units!)

Rank the magnitude (absolute value) of the momentum of the following systems from least (1) to most (6) 1. A 100 kg New England Patriot running at 8 m/s toward a 120 kg Denver Bronco running toward the Patriot at 7 m/s 2. A 0.

A bathroom scale is compressed 0.21 in. when a 210 -lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale 0.06 in.

Explain what happens when a ferromagnetic material is made into a permanent magnet.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.

Identify one type of electromagnetic energy that has a shorter wave length than green light